// JavaScript Document

function swapVisibility(objectName) {
	object = document.getElementById(objectName);
	if (object.style.display == 'block') object.style.display = 'none';
	else object.style.display = 'block';
}

function hideOthers(className, objectName) {

	tmpArray = getElementsByClassName(document, "*", className);
	object = document.getElementById(objectName);

    for (var i = 0; i < tmpArray.length; i++){
      if (tmpArray[i]!=object){
			tmpArray[i].style.display = 'none';
      }
    }
	
	return false;
}

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}